From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752425AbbAMVHm (ORCPT ); Tue, 13 Jan 2015 16:07:42 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:45860 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751327AbbAMVHk (ORCPT ); Tue, 13 Jan 2015 16:07:40 -0500 Date: Tue, 13 Jan 2015 13:06:23 -0800 From: Guenter Roeck To: Mike Looijmans Cc: wim@iguana.be, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [v3] gpio_wdt: Add "always_running" feature to GPIO watchdog Message-ID: <20150113210623.GA25920@roeck-us.net> References: <1416562828-3978-1-git-send-email-mike.looijmans@topic.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1416562828-3978-1-git-send-email-mike.looijmans@topic.nl> User-Agent: Mutt/1.5.23 (2014-03-12) X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A010202.54B5891C.0109,ss=1,re=0.001,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.001 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: C_4847, X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 4 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 21, 2014 at 10:40:28AM +0100, Mike Looijmans wrote: > On some chips, like the TPS386000, the trigger cannot be disabled > and the CPU must keep toggling the line at all times. Add a switch > "always_running" to keep toggling the GPIO line regardless of the > state of the soft part of the watchdog. The "armed" member keeps > track of whether a timeout must also cause a reset. > > Signed-off-by: Mike Looijmans Reviewed-by: Guenter Roeck